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Sec. 2 Key Terms
Ch. 5: Photosynthesis and Cellular Respiration
| Question | Answer |
|---|---|
| Pigments | light-absorbing substances that absord only certain wavelengths and reflect all others. |
| Chlorophyll | primary pigment involved in photosynthesis and makes plants green. |
| Carotenoids | pigment that produce yellow and orange colors. |
| Thylakoid | clusters of pigments are embedded in the membranes of this disk-shaped structure. |
| Electron Transport Chain | series of molecules through which excited electrons are passed along a thylakoid membrane. |
| NADPH | an electron carrier that provides the high-energy electrons needed to make carbon-hydrogen bonds in the third stage of photo synthesis. |
| Carbon Dioxide Fixation | transfer of carbon dioxide to organic compounds. |
| Calvin Cycle | series of enzyme-assisted chemical reactions that produces a three-carbon sugar. |